green bean casserole in the crock pot recipe
The Best green bean casserole in the crock pot recipe
I love this recipe because it’s so versatile—you can make it for a big family meal or just a cozy weeknight dinner. The crock pot makes it effortless, letting the flavors meld slowly without any fuss. And while it’s often seen as a classic comfort dish, I’ve found ways to make it a little lighter if needed. The green beans are packed with fiber and vitamins, and the creamy sauce can be made with a little less butter or more low-fat milk if you’re watching calories. My husband and kids have never noticed the difference—they just love the taste. Plus, it’s a great way to use up fresh green beans from the garden or the store, and it’s always a hit at potlucks or family gatherings. There’s just something about sharing a dish that’s been perfected over time, and this one has been perfect for decades.

Slow Cooker Green Bean Casserole
A comforting and creamy green bean casserole made in a slow cooker, featuring crispy fried onions on top for added texture and flavor. This recipe is a must-try for any occasion.
🥘Ingredients
- 2 lbs fresh green beans, trimmed
- 2 tbsp olive oil
- 1 tsp salt
- ½ tsp black pepper
- 1 cup heavy cream
- 1 cup whole milk
- 1 cup shredded cheddar cheese
- ½ cup sour cream
- 1 tsp garlic powder
- ½ tsp onion powder
- ½ tsp dried parsley
- 1 large onion, thinly sliced
- 2 tbsp butter
- 1 tbsp all-purpose flour
- ½ tsp salt
👨🍳Directions
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1
Trim the ends off the green beans and rinse them under cold water. Pat dry with a paper towel. In a large skillet, heat olive oil over medium-high heat. Add the green beans and cook for 5-7 minutes, stirring occasionally, until tender but still slightly crisp. Season with salt and pepper. Transfer green beans to the slow cooker. -
2
In a separate bowl, whisk together heavy cream, milk, shredded cheddar cheese, sour cream, garlic powder, onion powder, and dried parsley. Pour the mixture over the green beans in the slow cooker and stir gently to combine. -
3
In a frying pan, melt butter over medium heat. Add the sliced onions and sprinkle with flour and salt. Cook for 5-7 minutes, stirring occasionally, until onions are golden brown and crispy. -
4
Once the mixture in the slow cooker has thickened slightly (about 1 hour on low or 30 minutes on high), transfer the green bean mixture to a serving dish. Top with the crispy fried onions.
🔧Equipment
- Slow cooker
- Large skillet
- Mixing bowls
- Whisk
- Frying pan
📊Nutrition Facts (per serving)
📝Notes
Tips
- For extra crispiness, ensure onions are fried until golden brown.
- You can add a pinch of paprika or cayenne for a bit of spice.
- Substitute half the heavy cream with Greek yogurt for a lighter option.
Variations
- Add diced ham or bacon bits for extra flavor.
- Use a mix of cheddar and mozzarella cheese for a melty texture.
Watch Video Of How Slow Cooker Green Bean Casserole Works
❓ Frequently Asked Questions About Slow Cooker Green Bean Casserole
What is the traditional recipe for Green Bean Casserole that works well in a crock pot?
The classic crock pot Green Bean Casserole typically includes diced green beans, a creamy mushroom sauce (or mayonnaise-based sauce), and crispy fried onions on top. For a crock pot version, you’ll usually cook the green beans and sauce in the slow cooker on low for 4-5 hours, then mix in the fried onions just before serving.
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Can I use fresh green beans instead of canned in the crock pot version?
Yes, you can use fresh green beans, but they require a bit more preparation. Trim the ends, wash, and cut them into bite-sized pieces. Cook them with the crock pot sauce on low for 3-4 hours, then finish with the fried onions. Fresh beans may need slightly longer cooking to soften fully.
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What’s the best way to make the creamy sauce for Green Bean Casserole in the crock pot?
A simple crock pot sauce combines 1 cup of cream of mushroom soup (or cream of celery), ½ cup mayonnaise, ½ cup milk or half-and-half, and a pinch of salt and pepper. Stir well, then add the cooked green beans. For extra richness, you can also mix in ½ cup shredded cheddar cheese before serving.
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How do I ensure the fried onions stay crispy when adding them to the crock pot casserole?
To keep fried onions crispy, add them just before serving—around 15-20 minutes before finishing the casserole. If you’re using a slow cooker, transfer the mixture to a baking dish and broil for 5-7 minutes to crisp the onions further. Avoid opening the lid during cooking to prevent steam from softening them.
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Can I make Green Bean Casserole ahead of time and reheat it in the crock pot?
Yes, you can prep the casserole in advance! Assemble the crock pot mixture (green beans, sauce, and onions), cover, and refrigerate. Reheat on low for 2-3 hours or until warm. For best texture, stir in the onions just before serving to maintain crispiness.
